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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-02-21 11:19:49 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-02-21 11:19:49 -0800 |
| commit | 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18 (patch) | |
| tree | dbdd35328f43569c38c4ce193cefd7d2b6b9fbfd /include/linux/can/dev.h | |
| parent | 9c445d2637c938a800fcc8b5f0b10e60c94460c7 (diff) | |
| parent | 9e69e845ae95227949c400af1037dca023f73038 (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 6.3 merge window.
Diffstat (limited to 'include/linux/can/dev.h')
| -rw-r--r-- | include/linux/can/dev.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 58f5431a5559..982ba245eb41 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -152,6 +152,22 @@ static inline bool can_is_canxl_dev_mtu(unsigned int mtu) return (mtu >= CANXL_MIN_MTU && mtu <= CANXL_MAX_MTU); } +/* drop skb if it does not contain a valid CAN frame for sending */ +static inline bool can_dev_dropped_skb(struct net_device *dev, struct sk_buff *skb) +{ + struct can_priv *priv = netdev_priv(dev); + + if (priv->ctrlmode & CAN_CTRLMODE_LISTENONLY) { + netdev_info_once(dev, + "interface in listen only mode, dropping skb\n"); + kfree_skb(skb); + dev->stats.tx_dropped++; + return true; + } + + return can_dropped_invalid_skb(dev, skb); +} + void can_setup(struct net_device *dev); struct net_device *alloc_candev_mqs(int sizeof_priv, unsigned int echo_skb_max, |